#include <linux/delay.h>
#include <linux/slab.h>
#include <sound/core.h>
-#include <asm/unaligned.h>
#include "hda_codec.h"
#include "hda_local.h"
-#include "hda_patch.h"
#define CVT_NID 0x02 /* audio converter */
#define PIN_NID 0x03 /* HDMI output pin */
#define INTEL_HDMI_EVENT_TAG 0x08
-/*
- * CEA Short Audio Descriptor data
- */
-struct cea_sad {
- int channels;
- int format; /* (format == 0) indicates invalid SAD */
- int rates;
- int sample_bits; /* for LPCM */
- int max_bitrate; /* for AC3...ATRAC */
- int profile; /* for WMAPRO */
-};
-
-#define ELD_FIXED_BYTES 20
-#define ELD_MAX_MNL 16
-#define ELD_MAX_SAD 16
-
-/*
- * ELD: EDID Like Data
- */
-struct sink_eld {
- int eld_size;
- int baseline_len;
- int eld_ver; /* (eld_ver == 0) indicates invalid ELD */
- int cea_edid_ver;
- char monitor_name[ELD_MAX_MNL + 1];
- int manufacture_id;
- int product_id;
- u64 port_id;
- int support_hdcp;
- int support_ai;
- int conn_type;
- int aud_synch_delay;
- int spk_alloc;
- int sad_count;
- struct cea_sad sad[ELD_MAX_SAD];
-};
-
struct intel_hdmi_spec {
struct hda_multi_out multiout;
struct hda_pcm pcm_rec;
- struct sink_eld sink;
+ struct hdmi_eld sink_eld;
};
static struct hda_verb pinout_enable_verb[] = {
u8 CXT04;
u8 CA;
u8 LFEPBL01_LSV36_DM_INH7;
- u8 reserved[5]; /* PB6 - PB10 */
+ u8 reserved[5]; /* PB6 - PB10 */
};
/*
- * SS1:SS0 index => sample size
+ * CEA speaker placement:
+ *
+ * FLH FCH FRH
+ * FLW FL FLC FC FRC FR FRW
+ *
+ * LFE
+ * TC
+ *
+ * RL RLC RC RRC RR
+ *
+ * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to
+ * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC.
*/
-static int cea_sample_sizes[4] = {
- 0, /* 0: Refer to Stream Header */
- AC_SUPPCM_BITS_16, /* 1: 16 bits */
- AC_SUPPCM_BITS_20, /* 2: 20 bits */
- AC_SUPPCM_BITS_24, /* 3: 24 bits */
+enum cea_speaker_placement {
+ FL = (1 << 0), /* Front Left */
+ FC = (1 << 1), /* Front Center */
+ FR = (1 << 2), /* Front Right */
+ FLC = (1 << 3), /* Front Left Center */
+ FRC = (1 << 4), /* Front Right Center */
+ RL = (1 << 5), /* Rear Left */
+ RC = (1 << 6), /* Rear Center */
+ RR = (1 << 7), /* Rear Right */
+ RLC = (1 << 8), /* Rear Left Center */
+ RRC = (1 << 9), /* Rear Right Center */
+ LFE = (1 << 10), /* Low Frequency Effect */
+ FLW = (1 << 11), /* Front Left Wide */
+ FRW = (1 << 12), /* Front Right Wide */
+ FLH = (1 << 13), /* Front Left High */
+ FCH = (1 << 14), /* Front Center High */
+ FRH = (1 << 15), /* Front Right High */
+ TC = (1 << 16), /* Top Center */
};
/*
- * SF2:SF1:SF0 index => sampling frequency
+ * ELD SA bits in the CEA Speaker Allocation data block
*/
-static int cea_sampling_frequencies[8] = {
- 0, /* 0: Refer to Stream Header */
- SNDRV_PCM_RATE_32000, /* 1: 32000Hz */
- SNDRV_PCM_RATE_44100, /* 2: 44100Hz */
- SNDRV_PCM_RATE_48000, /* 3: 48000Hz */
- SNDRV_PCM_RATE_88200, /* 4: 88200Hz */
- SNDRV_PCM_RATE_96000, /* 5: 96000Hz */
- SNDRV_PCM_RATE_176400, /* 6: 176400Hz */
- SNDRV_PCM_RATE_192000, /* 7: 192000Hz */
+static int eld_speaker_allocation_bits[] = {
+ [0] = FL | FR,
+ [1] = LFE,
+ [2] = FC,
+ [3] = RL | RR,
+ [4] = RC,
+ [5] = FLC | FRC,
+ [6] = RLC | RRC,
+ /* the following are not defined in ELD yet */
+ [7] = FLW | FRW,
+ [8] = FLH | FRH,
+ [9] = TC,
+ [10] = FCH,
};
-enum eld_versions {
- ELD_VER_CEA_861D = 2,
- ELD_VER_PARTIAL = 31,
-};
-
-static char *eld_versoin_names[32] = {
- "0-reserved",
- "1-reserved",
- "CEA-861D or below",
- "3-reserved",
- [4 ... 30] = "reserved",
- [31] = "partial"
-};
+struct cea_channel_speaker_allocation {
+ int ca_index;
+ int speakers[8];
-enum cea_edid_versions {
- CEA_EDID_VER_NONE = 0,
- CEA_EDID_VER_CEA861 = 1,
- CEA_EDID_VER_CEA861A = 2,
- CEA_EDID_VER_CEA861BCD = 3,
- CEA_EDID_VER_RESERVED = 4,
-};
-
-static char *cea_edid_version_names[8] = {
- "no CEA EDID Timing Extension block present",
- "CEA-861",
- "CEA-861-A",
- "CEA-861-B, C or D",
- "4-reserved",
- [5 ... 7] = "reserved"
+ /* derived values, just for convenience */
+ int channels;
+ int spk_mask;
};
/*
- * CEA Speaker Allocation data block bits
+ * This is an ordered list!
+ *
+ * The preceding ones have better chances to be selected by
+ * hdmi_setup_channel_allocation().
*/
-#define CEA_SA_FLR (0 << 0)
-#define CEA_SA_LFE (1 << 1)
-#define CEA_SA_FC (1 << 2)
-#define CEA_SA_RLR (1 << 3)
-#define CEA_SA_RC (1 << 4)
-#define CEA_SA_FLRC (1 << 5)
-#define CEA_SA_RLRC (1 << 6)
-/* the following are not defined in ELD yet */
-#define CEA_SA_FLRW (1 << 7)
-#define CEA_SA_FLRH (1 << 8)
-#define CEA_SA_TC (1 << 9)
-#define CEA_SA_FCH (1 << 10)
-
-static char *cea_speaker_allocation_names[] = {
- /* 0 */ "FL/FR",
- /* 1 */ "LFE",
- /* 2 */ "FC",
- /* 3 */ "RL/RR",
- /* 4 */ "RC",
- /* 5 */ "FLC/FRC",
- /* 6 */ "RLC/RRC",
- /* 7 */ "FLW/FRW",
- /* 8 */ "FLH/FRH",
- /* 9 */ "TC",
- /* 10 */ "FCH",
-};
-
-static char *eld_connection_type_names[4] = {
- "HDMI",
- "Display Port",
- "2-reserved",
- "3-reserved"
-};
-
-enum cea_audio_coding_types {
- AUDIO_CODING_TYPE_REF_STREAM_HEADER = 0,
- AUDIO_CODING_TYPE_LPCM = 1,
- AUDIO_CODING_TYPE_AC3 = 2,
- AUDIO_CODING_TYPE_MPEG1 = 3,
- AUDIO_CODING_TYPE_MP3 = 4,
- AUDIO_CODING_TYPE_MPEG2 = 5,
- AUDIO_CODING_TYPE_AACLC = 6,
- AUDIO_CODING_TYPE_DTS = 7,
- AUDIO_CODING_TYPE_ATRAC = 8,
- AUDIO_CODING_TYPE_SACD = 9,
- AUDIO_CODING_TYPE_EAC3 = 10,
- AUDIO_CODING_TYPE_DTS_HD = 11,
- AUDIO_CODING_TYPE_MLP = 12,
- AUDIO_CODING_TYPE_DST = 13,
- AUDIO_CODING_TYPE_WMAPRO = 14,
- AUDIO_CODING_TYPE_REF_CXT = 15,
- /* also include valid xtypes below */
- AUDIO_CODING_TYPE_HE_AAC = 15,
- AUDIO_CODING_TYPE_HE_AAC2 = 16,
- AUDIO_CODING_TYPE_MPEG_SURROUND = 17,
-};
-
-enum cea_audio_coding_xtypes {
- AUDIO_CODING_XTYPE_HE_REF_CT = 0,
- AUDIO_CODING_XTYPE_HE_AAC = 1,
- AUDIO_CODING_XTYPE_HE_AAC2 = 2,
- AUDIO_CODING_XTYPE_MPEG_SURROUND = 3,
- AUDIO_CODING_XTYPE_FIRST_RESERVED = 4,
+static struct cea_channel_speaker_allocation channel_allocations[] = {
+/* channel: 8 7 6 5 4 3 2 1 */
+{ .ca_index = 0x00, .speakers = { 0, 0, 0, 0, 0, 0, FR, FL } },
+ /* 2.1 */
+{ .ca_index = 0x01, .speakers = { 0, 0, 0, 0, 0, LFE, FR, FL } },
+ /* Dolby Surround */
+{ .ca_index = 0x02, .speakers = { 0, 0, 0, 0, FC, 0, FR, FL } },
+{ .ca_index = 0x03, .speakers = { 0, 0, 0, 0, FC, LFE, FR, FL } },
+{ .ca_index = 0x04, .speakers = { 0, 0, 0, RC, 0, 0, FR, FL } },
+{ .ca_index = 0x05, .speakers = { 0, 0, 0, RC, 0, LFE, FR, FL } },
+{ .ca_index = 0x06, .speakers = { 0, 0, 0, RC, FC, 0, FR, FL } },
+{ .ca_index = 0x07, .speakers = { 0, 0, 0, RC, FC, LFE, FR, FL } },
+{ .ca_index = 0x08, .speakers = { 0, 0, RR, RL, 0, 0, FR, FL } },
+{ .ca_index = 0x09, .speakers = { 0, 0, RR, RL, 0, LFE, FR, FL } },
+{ .ca_index = 0x0a, .speakers = { 0, 0, RR, RL, FC, 0, FR, FL } },
+ /* 5.1 */
+{ .ca_index = 0x0b, .speakers = { 0, 0, RR, RL, FC, LFE, FR, FL } },
+{ .ca_index = 0x0c, .speakers = { 0, RC, RR, RL, 0, 0, FR, FL } },
+{ .ca_index = 0x0d, .speakers = { 0, RC, RR, RL, 0, LFE, FR, FL } },
+{ .ca_index = 0x0e, .speakers = { 0, RC, RR, RL, FC, 0, FR, FL } },
+ /* 6.1 */
+{ .ca_index = 0x0f, .speakers = { 0, RC, RR, RL, FC, LFE, FR, FL } },
+{ .ca_index = 0x10, .speakers = { RRC, RLC, RR, RL, 0, 0, FR, FL } },
+{ .ca_index = 0x11, .speakers = { RRC, RLC, RR, RL, 0, LFE, FR, FL } },
+{ .ca_index = 0x12, .speakers = { RRC, RLC, RR, RL, FC, 0, FR, FL } },
+ /* 7.1 */
+{ .ca_index = 0x13, .speakers = { RRC, RLC, RR, RL, FC, LFE, FR, FL } },
+{ .ca_index = 0x14, .speakers = { FRC, FLC, 0, 0, 0, 0, FR, FL } },
+{ .ca_index = 0x15, .speakers = { FRC, FLC, 0, 0, 0, LFE, FR, FL } },
+{ .ca_index = 0x16, .speakers = { FRC, FLC, 0, 0, FC, 0, FR, FL } },
+{ .ca_index = 0x17, .speakers = { FRC, FLC, 0, 0, FC, LFE, FR, FL } },
+{ .ca_index = 0x18, .speakers = { FRC, FLC, 0, RC, 0, 0, FR, FL } },
+{ .ca_index = 0x19, .speakers = { FRC, FLC, 0, RC, 0, LFE, FR, FL } },
+{ .ca_index = 0x1a, .speakers = { FRC, FLC, 0, RC, FC, 0, FR, FL } },
+{ .ca_index = 0x1b, .speakers = { FRC, FLC, 0, RC, FC, LFE, FR, FL } },
+{ .ca_index = 0x1c, .speakers = { FRC, FLC, RR, RL, 0, 0, FR, FL } },
+{ .ca_index = 0x1d, .speakers = { FRC, FLC, RR, RL, 0, LFE, FR, FL } },
+{ .ca_index = 0x1e, .speakers = { FRC, FLC, RR, RL, FC, 0, FR, FL } },
+{ .ca_index = 0x1f, .speakers = { FRC, FLC, RR, RL, FC, LFE, FR, FL } },
+{ .ca_index = 0x20, .speakers = { 0, FCH, RR, RL, FC, 0, FR, FL } },
+{ .ca_index = 0x21, .speakers = { 0, FCH, RR, RL, FC, LFE, FR, FL } },
+{ .ca_index = 0x22, .speakers = { TC, 0, RR, RL, FC, 0, FR, FL } },
+{ .ca_index = 0x23, .speakers = { TC, 0, RR, RL, FC, LFE, FR, FL } },
+{ .ca_index = 0x24, .speakers = { FRH, FLH, RR, RL, 0, 0, FR, FL } },
+{ .ca_index = 0x25, .speakers = { FRH, FLH, RR, RL, 0, LFE, FR, FL } },
+{ .ca_index = 0x26, .speakers = { FRW, FLW, RR, RL, 0, 0, FR, FL } },
+{ .ca_index = 0x27, .speakers = { FRW, FLW, RR, RL, 0, LFE, FR, FL } },
+{ .ca_index = 0x28, .speakers = { TC, RC, RR, RL, FC, 0, FR, FL } },
+{ .ca_index = 0x29, .speakers = { TC, RC, RR, RL, FC, LFE, FR, FL } },
+{ .ca_index = 0x2a, .speakers = { FCH, RC, RR, RL, FC, 0, FR, FL } },
+{ .ca_index = 0x2b, .speakers = { FCH, RC, RR, RL, FC, LFE, FR, FL } },
+{ .ca_index = 0x2c, .speakers = { TC, FCH, RR, RL, FC, 0, FR, FL } },
+{ .ca_index = 0x2d, .speakers = { TC, FCH, RR, RL, FC, LFE, FR, FL } },
+{ .ca_index = 0x2e, .speakers = { FRH, FLH, RR, RL, FC, 0, FR, FL } },
+{ .ca_index = 0x2f, .speakers = { FRH, FLH, RR, RL, FC, LFE, FR, FL } },
+{ .ca_index = 0x30, .speakers = { FRW, FLW, RR, RL, FC, 0, FR, FL } },
+{ .ca_index = 0x31, .speakers = { FRW, FLW, RR, RL, FC, LFE, FR, FL } },
};
-static char *cea_audio_coding_type_names[] = {
- /* 0 */ "undefined",
- /* 1 */ "LPCM",
- /* 2 */ "AC-3",
- /* 3 */ "MPEG1",
- /* 4 */ "MP3",
- /* 5 */ "MPEG2",
- /* 6 */ "AAC-LC",
- /* 7 */ "DTS",
- /* 8 */ "ATRAC",
- /* 9 */ "DSD(1-bit audio)",
- /* 10 */ "Dolby Digital Plus(E-AC-3/DD+)",
- /* 11 */ "DTS-HD",
- /* 12 */ "Dolby TrueHD(MLP)",
- /* 13 */ "DST",
- /* 14 */ "WMAPro",
- /* 15 */ "HE-AAC",
- /* 16 */ "HE-AACv2",
- /* 17 */ "MPEG Surround",
-};
-
-
/*
* HDMI routines
*/
-static int hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid)
-{
- return snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_HDMI_DIP_SIZE,
- AC_DIPSIZE_ELD_BUF);
-}
-
#ifdef BE_PARANOID
static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t nid,
int *packet_index, int *byte_index)
static void hdmi_enable_output(struct hda_codec *codec)
{
- /* Enable pin out and unmute */
- snd_hda_sequence_write(codec, pinout_enable_verb);
- if (get_wcaps(codec, PIN_NID) & AC_WCAP_OUT_AMP)
- snd_hda_codec_write(codec, PIN_NID, 0,
- AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
-
/* Enable Audio InfoFrame Transmission */
hdmi_set_dip_index(codec, PIN_NID, 0x0, 0x0);
snd_hda_codec_write(codec, PIN_NID, 0, AC_VERB_SET_HDMI_DIP_XMIT,
AC_DIPXMIT_BEST);
+ /* Unmute */
+ if (get_wcaps(codec, PIN_NID) & AC_WCAP_OUT_AMP)
+ snd_hda_codec_write(codec, PIN_NID, 0,
+ AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
+ /* Enable pin out */
+ snd_hda_sequence_write(codec, pinout_enable_verb);
}
static void hdmi_disable_output(struct hda_codec *codec)
AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
if (chs != hdmi_get_channel_count(codec))
- snd_printd(KERN_INFO "Channel count expect=%d, real=%d\n",
- chs, hdmi_get_channel_count(codec));
+ snd_printd(KERN_INFO "HDMI channel count: expect %d, get %d\n",
+ chs, hdmi_get_channel_count(codec));
}
-static void hdmi_debug_slot_mapping(struct hda_codec *codec)
+static void hdmi_debug_channel_mapping(struct hda_codec *codec)
{
#ifdef CONFIG_SND_DEBUG_VERBOSE
int i;
for (i = 0; i < 8; i++) {
slot = snd_hda_codec_read(codec, CVT_NID, 0,
AC_VERB_GET_HDMI_CHAN_SLOT, i);
- printk(KERN_DEBUG "ASP channel %d => slot %d\n",
- slot >> 4, slot & 0x7);
+ printk(KERN_DEBUG "HDMI: ASP channel %d => slot %d\n",
+ slot >> 4, slot & 0x7);
}
#endif
}
-static void hdmi_setup_channel_mapping(struct hda_codec *codec)
-{
- snd_hda_sequence_write(codec, def_chan_map);
- hdmi_debug_slot_mapping(codec);
-}
-
-
-/*
- * ELD(EDID Like Data) routines
- */
-
-static int hdmi_present_sense(struct hda_codec *codec, hda_nid_t nid)
-{
- return snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PIN_SENSE, 0);
-}
-
-static void hdmi_debug_present_sense(struct hda_codec *codec)
-{
-#ifdef CONFIG_SND_DEBUG_VERBOSE
- int eldv;
- int present;
-
- present = hdmi_present_sense(codec, PIN_NID);
- eldv = (present & AC_PINSENSE_ELDV);
- present = (present & AC_PINSENSE_PRESENCE);
-
- printk(KERN_INFO "pinp = %d, eldv = %d\n", !!present, !!eldv);
-#endif
-}
-
-static unsigned char hdmi_get_eld_byte(struct hda_codec *codec, int byte_index)
-{
- unsigned int val;
-
- val = snd_hda_codec_read(codec, PIN_NID, 0,
- AC_VERB_GET_HDMI_ELDD, byte_index);
-
-#ifdef BE_PARANOID
- printk(KERN_INFO "ELD data byte %d: 0x%x\n", byte_index, val);
-#endif
-
- if ((val & AC_ELDD_ELD_VALID) == 0) {
- snd_printd(KERN_INFO "Invalid ELD data byte %d\n",
- byte_index);
- val = 0;
- }
-
- return val & AC_ELDD_ELD_DATA;
-}
-
-static inline unsigned char grab_bits(const unsigned char *buf,
- int byte, int lowbit, int bits)
-{
- BUG_ON(lowbit > 7);
- BUG_ON(bits > 8);
- BUG_ON(bits <= 0);
-
- return (buf[byte] >> lowbit) & ((1 << bits) - 1);
-}
-
-static void hdmi_update_short_audio_desc(struct cea_sad *a,
- const unsigned char *buf)
-{
- int i;
- int val;
-
- val = grab_bits(buf, 1, 0, 7);
- a->rates = 0;
- for (i = 0; i < 7; i++)
- if (val & (1 << i))
- a->rates |= cea_sampling_frequencies[i + 1];
-
- a->channels = grab_bits(buf, 0, 0, 3);
- a->channels++;
-
- a->format = grab_bits(buf, 0, 3, 4);
- switch (a->format) {
- case AUDIO_CODING_TYPE_REF_STREAM_HEADER:
- snd_printd(KERN_INFO
- "audio coding type 0 not expected in ELD\n");
- break;
-
- case AUDIO_CODING_TYPE_LPCM:
- val = grab_bits(buf, 2, 0, 3);
- a->sample_bits = 0;
- for (i = 0; i < 3; i++)
- if (val & (1 << i))
- a->sample_bits |= cea_sample_sizes[i + 1];
- break;
-
- case AUDIO_CODING_TYPE_AC3:
- case AUDIO_CODING_TYPE_MPEG1:
- case AUDIO_CODING_TYPE_MP3:
- case AUDIO_CODING_TYPE_MPEG2:
- case AUDIO_CODING_TYPE_AACLC:
- case AUDIO_CODING_TYPE_DTS:
- case AUDIO_CODING_TYPE_ATRAC:
- a->max_bitrate = grab_bits(buf, 2, 0, 8);
- a->max_bitrate *= 8000;
- break;
-
- case AUDIO_CODING_TYPE_SACD:
- break;
-
- case AUDIO_CODING_TYPE_EAC3:
- break;
-
- case AUDIO_CODING_TYPE_DTS_HD:
- break;
-
- case AUDIO_CODING_TYPE_MLP:
- break;
-
- case AUDIO_CODING_TYPE_DST:
- break;
-
- case AUDIO_CODING_TYPE_WMAPRO:
- a->profile = grab_bits(buf, 2, 0, 3);
- break;
-
- case AUDIO_CODING_TYPE_REF_CXT:
- a->format = grab_bits(buf, 2, 3, 5);
- if (a->format == AUDIO_CODING_XTYPE_HE_REF_CT ||
- a->format >= AUDIO_CODING_XTYPE_FIRST_RESERVED) {
- snd_printd(KERN_INFO
- "audio coding xtype %d not expected in ELD\n",
- a->format);
- a->format = 0;
- } else
- a->format += AUDIO_CODING_TYPE_HE_AAC -
- AUDIO_CODING_XTYPE_HE_AAC;
- break;
- }
-}
-
-static int hdmi_update_sink_eld(struct hda_codec *codec,
- const unsigned char *buf, int size)
-{
- struct intel_hdmi_spec *spec = codec->spec;
- struct sink_eld *e = &spec->sink;
- int mnl;
- int i;
-
- e->eld_ver = grab_bits(buf, 0, 3, 5);
- if (e->eld_ver != ELD_VER_CEA_861D &&
- e->eld_ver != ELD_VER_PARTIAL) {
- snd_printd(KERN_INFO "Unknown ELD version %d\n", e->eld_ver);
- goto out_fail;
- }
-
- e->eld_size = size;
- e->baseline_len = grab_bits(buf, 2, 0, 8);
- mnl = grab_bits(buf, 4, 0, 5);
- e->cea_edid_ver = grab_bits(buf, 4, 5, 3);
-
- e->support_hdcp = grab_bits(buf, 5, 0, 1);
- e->support_ai = grab_bits(buf, 5, 1, 1);
- e->conn_type = grab_bits(buf, 5, 2, 2);
- e->sad_count = grab_bits(buf, 5, 4, 4);
-
- e->aud_synch_delay = grab_bits(buf, 6, 0, 8);
- e->spk_alloc = grab_bits(buf, 7, 0, 7);
-
- e->port_id = get_unaligned_le64(buf + 8);
-
- /* not specified, but the spec's tendency is little endian */
- e->manufacture_id = get_unaligned_le16(buf + 16);
- e->product_id = get_unaligned_le16(buf + 18);
-
- if (mnl > ELD_MAX_MNL) {
- snd_printd(KERN_INFO "MNL is reserved value %d\n", mnl);
- goto out_fail;
- } else if (ELD_FIXED_BYTES + mnl > size) {
- snd_printd(KERN_INFO "out of range MNL %d\n", mnl);
- goto out_fail;
- } else
- strlcpy(e->monitor_name, buf + ELD_FIXED_BYTES, mnl);
-
- for (i = 0; i < e->sad_count; i++) {
- if (ELD_FIXED_BYTES + mnl + 3 * (i + 1) > size) {
- snd_printd(KERN_INFO "out of range SAD %d\n", i);
- goto out_fail;
- }
- hdmi_update_short_audio_desc(e->sad + i,
- buf + ELD_FIXED_BYTES + mnl + 3 * i);
- }
-
- return 0;
-
-out_fail:
- e->eld_ver = 0;
- return -EINVAL;
-}
-
-static int hdmi_get_eld(struct hda_codec *codec)
-{
- int i;
- int ret;
- int size;
- unsigned char *buf;
-
- i = hdmi_present_sense(codec, PIN_NID) & AC_PINSENSE_ELDV;
- if (!i)
- return -ENOENT;
-
- size = hdmi_get_eld_size(codec, PIN_NID);
- if (size == 0) {
- /* wfg: workaround for ASUS P5E-VM HDMI board */
- snd_printd(KERN_INFO "ELD buf size is 0, force 128\n");
- size = 128;
- }
- if (size < ELD_FIXED_BYTES || size > PAGE_SIZE) {
- snd_printd(KERN_INFO "Invalid ELD buf size %d\n", size);
- return -ERANGE;
- }
-
- buf = kmalloc(size, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
-
- for (i = 0; i < size; i++)
- buf[i] = hdmi_get_eld_byte(codec, i);
-
- ret = hdmi_update_sink_eld(codec, buf, size);
-
- kfree(buf);
- return ret;
-}
-
-static void hdmi_show_short_audio_desc(struct cea_sad *a)
-{
- printk(KERN_INFO "coding type: %s\n",
- cea_audio_coding_type_names[a->format]);
- printk(KERN_INFO "channels: %d\n", a->channels);
- printk(KERN_INFO "sampling frequencies: 0x%x\n", a->rates);
-
- if (a->format == AUDIO_CODING_TYPE_LPCM)
- printk(KERN_INFO "sample bits: 0x%x\n", a->sample_bits);
-
- if (a->max_bitrate)
- printk(KERN_INFO "max bitrate: %d HZ\n", a->max_bitrate);
-
- if (a->profile)
- printk(KERN_INFO "profile: %d\n", a->profile);
-}
-
-static void hdmi_show_eld(struct hda_codec *codec)
-{
- int i;
- int j;
- struct intel_hdmi_spec *spec = codec->spec;
- struct sink_eld *e = &spec->sink;
- char buf[80];
-
- printk(KERN_INFO "ELD buffer size is %d\n", e->eld_size);
- printk(KERN_INFO "ELD baseline len is %d*4\n", e->baseline_len);
- printk(KERN_INFO "vendor block len is %d\n",
- e->eld_size - e->baseline_len * 4 - 4);
- printk(KERN_INFO "ELD version is %s\n",
- eld_versoin_names[e->eld_ver]);
- printk(KERN_INFO "CEA EDID version is %s\n",
- cea_edid_version_names[e->cea_edid_ver]);
- printk(KERN_INFO "manufacture id is 0x%x\n", e->manufacture_id);
- printk(KERN_INFO "product id is 0x%x\n", e->product_id);
- printk(KERN_INFO "port id is 0x%llx\n", (long long)e->port_id);
- printk(KERN_INFO "HDCP support is %d\n", e->support_hdcp);
- printk(KERN_INFO "AI support is %d\n", e->support_ai);
- printk(KERN_INFO "SAD count is %d\n", e->sad_count);
- printk(KERN_INFO "audio sync delay is %x\n", e->aud_synch_delay);
- printk(KERN_INFO "connection type is %s\n",
- eld_connection_type_names[e->conn_type]);
- printk(KERN_INFO "monitor name is %s\n", e->monitor_name);
-
- j = 0;
- for (i = 0; i < ARRAY_SIZE(cea_speaker_allocation_names); i++) {
- if (e->spk_alloc & (1 << i))
- j += snprintf(buf + j, sizeof(buf) - j, " %s",
- cea_speaker_allocation_names[i]);
- }
- buf[j] = '\0'; /* necessary when j == 0 */
- printk(KERN_INFO "speaker allocations: (0x%x)%s\n", e->spk_alloc, buf);
-
- for (i = 0; i < e->sad_count; i++)
- hdmi_show_short_audio_desc(e->sad + i);
-}
-
-/*
- * Be careful, ELD buf could be totally rubbish!
- */
static void hdmi_parse_eld(struct hda_codec *codec)
{
- hdmi_debug_present_sense(codec);
+ struct intel_hdmi_spec *spec = codec->spec;
+ struct hdmi_eld *eld = &spec->sink_eld;
- if (!hdmi_get_eld(codec))
- hdmi_show_eld(codec);
+ if (!snd_hdmi_get_eld(eld, codec, PIN_NID))
+ snd_hdmi_show_eld(eld);
}
/*
- * Audio Infoframe routines
+ * Audio InfoFrame routines
*/
static void hdmi_debug_dip_size(struct hda_codec *codec)
int i;
int size;
- size = hdmi_get_eld_size(codec, PIN_NID);
- printk(KERN_DEBUG "ELD buf size is %d\n", size);
+ size = snd_hdmi_get_eld_size(codec, PIN_NID);
+ printk(KERN_DEBUG "HDMI: ELD buf size is %d\n", size);
for (i = 0; i < 8; i++) {
size = snd_hda_codec_read(codec, PIN_NID, 0,
AC_VERB_GET_HDMI_DIP_SIZE, i);
- printk(KERN_DEBUG "DIP GP[%d] buf size is %d\n", i, size);
+ printk(KERN_DEBUG "HDMI: DIP GP[%d] buf size is %d\n", i, size);
}
#endif
}
break;
}
snd_printd(KERN_INFO
- "DIP GP[%d] buf reported size=%d, written=%d\n",
- i, size, j);
+ "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
+ i, size, j);
}
#endif
}
+static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
+ struct hdmi_audio_infoframe *ai)
+{
+ u8 *params = (u8 *)ai;
+ int i;
+
+ hdmi_debug_dip_size(codec);
+ hdmi_clear_dip_buffers(codec); /* be paranoid */
+
+ hdmi_set_dip_index(codec, PIN_NID, 0x0, 0x0);
+ for (i = 0; i < sizeof(ai); i++)
+ hdmi_write_dip_byte(codec, PIN_NID, params[i]);
+}
+
+/*
+ * Compute derived values in channel_allocations[].
+ */
+static void init_channel_allocations(void)
+{
+ int i, j;
+ struct cea_channel_speaker_allocation *p;
+
+ for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
+ p = channel_allocations + i;
+ p->channels = 0;
+ p->spk_mask = 0;
+ for (j = 0; j < ARRAY_SIZE(p->speakers); j++)
+ if (p->speakers[j]) {
+ p->channels++;
+ p->spk_mask |= p->speakers[j];
+ }
+ }
+}
+
+/*
+ * The transformation takes two steps:
+ *
+ * eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask
+ * spk_mask => (channel_allocations[]) => ai->CA
+ *
+ * TODO: it could select the wrong CA from multiple candidates.
+*/
+static int hdmi_setup_channel_allocation(struct hda_codec *codec,
+ struct hdmi_audio_infoframe *ai)
+{
+ struct intel_hdmi_spec *spec = codec->spec;
+ struct hdmi_eld *eld = &spec->sink_eld;
+ int i;
+ int spk_mask = 0;
+ int channels = 1 + (ai->CC02_CT47 & 0x7);
+ char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
+
+ /*
+ * CA defaults to 0 for basic stereo audio
+ */
+ if (channels <= 2)
+ return 0;
+
+ /*
+ * HDMI sink's ELD info cannot always be retrieved for now, e.g.
+ * in console or for audio devices. Assume the highest speakers
+ * configuration, to _not_ prohibit multi-channel audio playback.
+ */
+ if (!eld->spk_alloc)
+ eld->spk_alloc = 0xffff;
+
+ /*
+ * expand ELD's speaker allocation mask
+ *
+ * ELD tells the speaker mask in a compact(paired) form,
+ * expand ELD's notions to match the ones used by Audio InfoFrame.
+ */
+ for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
+ if (eld->spk_alloc & (1 << i))
+ spk_mask |= eld_speaker_allocation_bits[i];
+ }
+
+ /* search for the first working match in the CA table */
+ for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
+ if (channels == channel_allocations[i].channels &&
+ (spk_mask & channel_allocations[i].spk_mask) ==
+ channel_allocations[i].spk_mask) {
+ ai->CA = channel_allocations[i].ca_index;
+ break;
+ }
+ }
+
+ snd_print_channel_allocation(eld->spk_alloc, buf, sizeof(buf));
+ snd_printdd(KERN_INFO
+ "HDMI: select CA 0x%x for %d-channel allocation: %s\n",
+ ai->CA, channels, buf);
+
+ return ai->CA;
+}
+
+static void hdmi_setup_channel_mapping(struct hda_codec *codec,
+ struct hdmi_audio_infoframe *ai)
+{
+ if (!ai->CA)
+ return;
+
+ /*
+ * TODO: adjust channel mapping if necessary
+ * ALSA sequence is front/surr/clfe/side?
+ */
+
+ snd_hda_sequence_write(codec, def_chan_map);
+ hdmi_debug_channel_mapping(codec);
+}
+
+
static void hdmi_setup_audio_infoframe(struct hda_codec *codec,
struct snd_pcm_substream *substream)
{
- struct hdmi_audio_infoframe audio_infoframe = {
+ struct hdmi_audio_infoframe ai = {
.type = 0x84,
.ver = 0x01,
.len = 0x0a,
.CC02_CT47 = substream->runtime->channels - 1,
};
- u8 *params = (u8 *)&audio_infoframe;
- int i;
- hdmi_debug_dip_size(codec);
- hdmi_clear_dip_buffers(codec); /* be paranoid */
+ hdmi_setup_channel_allocation(codec, &ai);
+ hdmi_setup_channel_mapping(codec, &ai);
- hdmi_set_dip_index(codec, PIN_NID, 0x0, 0x0);
- for (i = 0; i < sizeof(audio_infoframe); i++)
- hdmi_write_dip_byte(codec, PIN_NID, params[i]);
+ hdmi_fill_audio_infoframe(codec, &ai);
}
int pind = !!(res & AC_UNSOL_RES_PD);
int eldv = !!(res & AC_UNSOL_RES_ELDV);
- printk(KERN_INFO "HDMI intrinsic event: PD=%d ELDV=%d\n", pind, eldv);
+ printk(KERN_INFO
+ "HDMI hot plug event: Presence_Detect=%d ELD_Valid=%d\n",
+ pind, eldv);
if (pind && eldv) {
hdmi_parse_eld(codec);
int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
- printk(KERN_INFO "HDMI non-intrinsic event: "
- "SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
- subtag,
- cp_state,
- cp_ready);
+ printk(KERN_INFO
+ "HDMI content protection event: SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
+ subtag,
+ cp_state,
+ cp_ready);
- /* who cares? */
+ /* TODO */
if (cp_state)
;
if (cp_ready)
int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
if (tag != INTEL_HDMI_EVENT_TAG) {
- snd_printd(KERN_INFO
- "Unexpected HDMI unsolicited event tag 0x%x\n",
- tag);
+ snd_printd(KERN_INFO "Unexpected HDMI event tag 0x%x\n", tag);
return;
}
*/
static int intel_hdmi_playback_pcm_open(struct hda_pcm_stream *hinfo,
- struct hda_codec *codec,
- struct snd_pcm_substream *substream)
+ struct hda_codec *codec,
+ struct snd_pcm_substream *substream)
{
struct intel_hdmi_spec *spec = codec->spec;
}
static int intel_hdmi_playback_pcm_close(struct hda_pcm_stream *hinfo,
- struct hda_codec *codec,
- struct snd_pcm_substream *substream)
+ struct hda_codec *codec,
+ struct snd_pcm_substream *substream)
{
struct intel_hdmi_spec *spec = codec->spec;
hdmi_set_channel_count(codec, substream->runtime->channels);
- /* wfg: channel mapping not supported by DEVCTG */
- hdmi_setup_channel_mapping(codec);
-
hdmi_setup_audio_infoframe(codec, substream);
hdmi_enable_output(codec);
.channels_max = 8,
.nid = CVT_NID, /* NID to query formats and rates and setup streams */
.ops = {
- .open = intel_hdmi_playback_pcm_open,
- .close = intel_hdmi_playback_pcm_close,
+ .open = intel_hdmi_playback_pcm_open,
+ .close = intel_hdmi_playback_pcm_close,
.prepare = intel_hdmi_playback_pcm_prepare
},
};
static void intel_hdmi_free(struct hda_codec *codec)
{
- kfree(codec->spec);
+ struct intel_hdmi_spec *spec = codec->spec;
+
+ snd_hda_eld_proc_free(codec, &spec->sink_eld);
+ kfree(spec);
}
static struct hda_codec_ops intel_hdmi_patch_ops = {
codec->spec = spec;
codec->patch_ops = intel_hdmi_patch_ops;
+ snd_hda_eld_proc_new(codec, &spec->sink_eld);
+
+ init_channel_allocations();
+
return 0;
}
-struct hda_codec_preset snd_hda_preset_intelhdmi[] = {
- { .id = 0x808629fb, .name = "INTEL G45 DEVCL", .patch = patch_intel_hdmi },
- { .id = 0x80862801, .name = "INTEL G45 DEVBLC", .patch = patch_intel_hdmi },
- { .id = 0x80862802, .name = "INTEL G45 DEVCTG", .patch = patch_intel_hdmi },
- { .id = 0x80862803, .name = "INTEL G45 DEVELK", .patch = patch_intel_hdmi },
+static struct hda_codec_preset snd_hda_preset_intelhdmi[] = {
+ { .id = 0x808629fb, .name = "G45 DEVCL", .patch = patch_intel_hdmi },
+ { .id = 0x80862801, .name = "G45 DEVBLC", .patch = patch_intel_hdmi },
+ { .id = 0x80862802, .name = "G45 DEVCTG", .patch = patch_intel_hdmi },
+ { .id = 0x80862803, .name = "G45 DEVELK", .patch = patch_intel_hdmi },
+ { .id = 0x10951392, .name = "SiI1392 HDMI", .patch = patch_intel_hdmi },
{} /* terminator */
};
+
+MODULE_ALIAS("snd-hda-codec-id:808629fb");
+MODULE_ALIAS("snd-hda-codec-id:80862801");
+MODULE_ALIAS("snd-hda-codec-id:80862802");
+MODULE_ALIAS("snd-hda-codec-id:80862803");
+MODULE_ALIAS("snd-hda-codec-id:10951392");
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Intel HDMI HD-audio codec");
+
+static struct hda_codec_preset_list intel_list = {
+ .preset = snd_hda_preset_intelhdmi,
+ .owner = THIS_MODULE,
+};
+
+static int __init patch_intelhdmi_init(void)
+{
+ return snd_hda_add_codec_preset(&intel_list);
+}
+
+static void __exit patch_intelhdmi_exit(void)
+{
+ snd_hda_delete_codec_preset(&intel_list);
+}
+
+module_init(patch_intelhdmi_init)
+module_exit(patch_intelhdmi_exit)
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff